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Phase stability of multiferroic GaFeO3 up to 1368 K from in situ neutron diffraction
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10.1063/1.4803679
/content/aip/journal/jap/113/17/10.1063/1.4803679
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/17/10.1063/1.4803679
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Figures

Image of FIG. 1.
FIG. 1.

(a) Evolution of the neutron diffraction patterns for GaFeO at selected temperature. (b) Rietveld refinement of GaFeO using the orthorhombic space group at 1368 K.

Image of FIG. 2.
FIG. 2.

The variation of the lattice parameters and volume as a function of temperature obtained after Rietveld refinement for GaFeO.

Image of FIG. 3.
FIG. 3.

Evolution of the isotropic thermal parameters as a function of temperature obtained after Rietveld refinement for GaFeO.

Image of FIG. 4.
FIG. 4.

Evolution of the interatomic distance around the Ga, Ga, Fe, and Fe cations as a function of temperature obtained after Rietveld refinement of GaFeO.

Image of FIG. 5.
FIG. 5.

Evolution of the (a) distortions of the oxygen polyhedra around the Ga, Ga, Fe, and Fe cations and (b) spontaneous polarization as a function of temperature calculated using simple ionic model described in the supplementary material.

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/content/aip/journal/jap/113/17/10.1063/1.4803679
2013-05-01
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Phase stability of multiferroic GaFeO3 up to 1368 K from in situ neutron diffraction
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/17/10.1063/1.4803679
10.1063/1.4803679
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